Surgical breathing bag



FIG. 1 is an environmental perspective view of a surgical breathing bag showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The portion of FIG. 1 shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a surgical breathing bag, as shown and described. 